Men's Black Deployment Watch Band Genuine Calf Leather Butterfly Clasp 20mm Lug width: 20mm Length: 4.72+2.95inch Total length: 195cm / 7.68inch (standard/regular length) When fixed together, total length ranges from 5.12inch to 6.89inch. Then you can add the watch case diameter to see if it fits your wrist or not. Or you can compare it with your old watch band to see if the length is good for you. Please also make sure to check the last photo to select the correct size for you watch. Argentina genuine leather. The more you wear, the softer it becomes.It also comes with a pair of spring bars/pins.. 316L medical stainless steel,allergy proof. It won't fade off. Sweatproof,,waterproof and also anti stink by using the first layer of leather to extend the life of the strap. Fine workmanship, ergonomic design,comfortable to wear. It gets thinner and thinner slightly from the head to the end, creating a 3-D effect and luxury feeling. It comes with varies sizes for you to choose from,covering most of the watch sizes,Timex, Casio, Seiko, Tissot, Citizen, U.S. Polo, Stuhrling, and Nautica,Breitling, Breguet, Cartier,Longines, Nomos, Omega,and other watches.